degraded valence是什么意思 degraded valence在线中文翻译

degraded valence是什么意思，degraded valence在线翻译，degraded valence中文意思，degraded valence的中文翻译，degraded valence发音，degraded valence例句，degraded valence词组短语，degraded valence怎么翻译，单词degraded valence的意思